Keyboard



FIG. 1 is a front view of a keyboard of our new design;

FIG. 2 is a back view of the keyboard of FIG. 1;

FIG. 3 is a left view of the keyboard of FIG. 1;

FIG. 4 is a right view of the keyboard of FIG. 1;

FIG. 5 is a top view of the keyboard of FIG. 1;

FIG. 6 is a bottom view of the keyboard of FIG. 1;

FIG. 7 is a first perspective view of the keyboard of FIG. 1;

FIG. 8 is a second perspective view of the keyboard of FIG. 1; and,

FIG. 9 is a third perspective view of the e keyboard of FIG. 1. 

CLAIM The ornamental design for a keyboard, as shown and described. 